What Is Pressure Difference < TOP >
You do not "pull" air into your lungs. Your diaphragm contracts and moves downward, expanding the volume of your chest cavity. This expansion lowers the pressure inside your lungs compared to the atmospheric pressure outside.
You are surrounded by pressure differences right now. Here are five critical examples. What Is Pressure Difference
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You do not "pull" air into your lungs. Your diaphragm contracts and moves downward, expanding the volume of your chest cavity. This expansion lowers the pressure inside your lungs compared to the atmospheric pressure outside.
You are surrounded by pressure differences right now. Here are five critical examples.
: